HKQ040224NH-T Inductors, Coils, Chokes

Fixed Inductors

Listed among fixed inductors is the HKQ040224NH-T, a radial leaded part that can be found in various industrial sectors, ranging from automotive to datacom to consumer electronics. Fixed inductors have many advantages, such as stability and a good tolerance, which can range up to ±25% for this particular part. Furthermore, its small size and simplicity helps when it has to be used on a perplex circuit layout, like the ones found in modern electronics.

Application Field of HKQ040224NH-T

The HKQ040224NH-T is mainly used in switching power supplies and chargers for their ability to handle high currents ratings with very low losses. Specialized applications for this part include antenna matching, pulse transformer, impedance matching, HF converters, etc. Generally, because of their good tolerance, excellent temperature stability and high test frequency capabilities, this type of fixed inductor is well suited for the most demanding requirements.

Working Principles

Inductors store energy mainly based on the principle of Faraday’s Law. When a current-carrying wire is placed in a magnetic field, an electromotive force is generated, resulting in a voltage drop and thus creating an inductance. The HKQ040224NH-T is composed of several turns of copper wire, wrapped around a ferrite core. This combination of copper wire temp and the core creates an effective self-inductance that is relatively stable even in a high temperature range.

The inductance is greatly affected by the core used for the part. Core material such as MnZn ferrite is used to create a very low resistant core for high-frequency applications and for carrying larger currents. Core material such as NiZn ferrite is normally used to build parts that are less susceptible to flux leakage and have a high conductivity.

The cupper wire temp of the HKQ040224NH-T is normally coated with a silicone defense layer to protect it against contaminants, oxidation and to increase its safety when it gets in contact with other components. Furthermore, this part also has a damping-gull protection designed to reduce acoustic noise caused by its resonance circuit.

Conclusion

The HKQ040224NH-T is among fixed inductors that can be used in many different industrial applications, from consumer electronics to datacom and automotive. It is composed of a core made out of a magnetic material such as MnZn or NiZn ferrite, and a several turn of copper wire temp. This combination, together with the silicone defense layer and the damping-gull protection, makes it an ideal part for high-frequency or high current applications.